We had the same deal last fall. I wish they would do more of them actually.

But companies frequently do discount incentives to get new customers.  This is just another incentive by a business trying to boost their sales through new customers.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi